package com.blog.dao;

import com.blog.entity.User;

/**
 * Created with IntelliJ IDEA.
 * Author:  Wu Yujie
 * Email:  coffee377@dingtalk.com
 * Time:  2017/02/27 11:47
 */
public interface IUserDao {
    boolean existUser(String userName);

    User loginIn(String userName, String password);
}
